path: root/testcases/VIM/OpenStack/CI/libraries/clean_openstack.py

#!/usr/bin/env python
#
# Description:
#   Cleans possible leftovers after running functest tests:
#       - Nova instances
#       - Glance images
#       - Cinder volumes
#       - Floating IPs
#       - Neutron networks, subnets and ports
#       - Routers
#       - Users and tenants
#
# Author:
#    jose.lausuch@ericsson.com
#
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
#

import argparse
import logging
import os
import time
import yaml

from novaclient import client as novaclient
from neutronclient.v2_0 import client as neutronclient
from keystoneclient.v2_0 import client as keystoneclient
from cinderclient import client as cinderclient

import openstack_utils

parser = argparse.ArgumentParser()
parser.add_argument("-d", "--debug", help="Debug mode", action="store_true")
args = parser.parse_args()


""" logging configuration """
logger = logging.getLogger('clean_openstack')
logger.setLevel(logging.DEBUG)

ch = logging.StreamHandler()
if args.debug:
    ch.setLevel(logging.DEBUG)
else:
    ch.setLevel(logging.INFO)

formatter = logging.Formatter('% (asctime)s - % (name)s - '
                              '% (levelname)s - % (message)s')
ch.setFormatter(formatter)
logger.addHandler(ch)

REPO_PATH = os.environ['repos_dir'] + '/functest/'

DEFAULTS_FILE = '/home/opnfv/functest/conf/os_defaults.yaml'

try:
    with open(DEFAULTS_FILE) as f:
        defaults_yaml = yaml.safe_load(f)
except Exception, e:
    logger.info("The file %s does not exist. Please run generate_defaults.py "
                "to create the OpenStack defaults. "
                "Aborting cleanup..." % DEFAULTS_FILE)
    exit(0)

default_images = defaults_yaml.get('images')
default_instances = defaults_yaml.get('instances')
default_volumes = defaults_yaml.get('volumes')
default_networks = defaults_yaml.get('networks')
default_routers = defaults_yaml.get('routers')
default_security_groups = defaults_yaml.get('secgroups')
default_floatingips = defaults_yaml.get('floatingips')
default_users = defaults_yaml.get('users')
default_tenants = defaults_yaml.get('tenants')


def separator():
    logger.info("-------------------------------------------")


def remove_instances(nova_client):
    logger.info("Removing Nova instances...")
    instances = openstack_utils.get_instances(nova_client)
    if instances is None or len(instances) == 0:
        logger.debug("No instances found.")
        return

    for instance in instances:
        instance_name = getattr(instance, 'name')
        instance_id = getattr(instance, 'id')
        logger.debug("Removing instance '%s', ID=%s ..."
                     % (instance_name, instance_id))
        if openstack_utils.delete_instance(nova_client, instance_id):
            logger.debug("  > Done!")
        else:
            logger.error("There has been a problem removing the "
                         "instance %s..." % instance_id)

    timeout = 50
    while timeout > 0:
        instances = openstack_utils.get_instances(nova_client)
        if instances is None or len(instances) == 0:
            break
        else:
            logger.debug("Waiting for instances to be terminated...")
            timeout -= 1
            time.sleep(1)


def remove_images(nova_client):
    logger.info("Removing Glance images...")
    images = openstack_utils.get_images(nova_client)
    if images is None or len(images) == 0:
        logger.debug("No images found.")
        return

    for image in images:
        image_name = getattr(image, 'name')
        image_id = getattr(image, 'id')
        logger.debug("'%s', ID=%s " % (image_name, image_id))
        if image_id not in default_images:
            logger.debug("Removing image '%s', ID=%s ..."
                         % (image_name, image_id))
            if openstack_utils.delete_glance_image(nova_client, image_id):
                logger.debug("  > Done!")
            else:
                logger.error("There has been a problem removing the"
                             "image %s..." % image_id)
        else:
            logger.debug("   > this is a default image and will "
                         "NOT be deleted.")


def remove_volumes(cinder_client):
    logger.info("Removing Cinder volumes...")
    volumes = openstack_utils.get_volumes(cinder_client)
    if volumes is None or len(volumes) == 0:
        logger.debug("No volumes found.")
        return

    for volume in volumes:
        volume_id = getattr(volume, 'id')
        volume_name = getattr(volume, 'display_name')
        logger.debug("'%s', ID=%s " % (volume_name, volume_id))
        if volume_id not in default_volumes:
            logger.debug("Removing cinder volume %s ..." % volume_id)
            if openstack_utils.delete_volume(cinder_client, volume_id):
                logger.debug("  > Done!")
            else:
                logger.debug("Trying forced removal...")
                if openstack_utils.delete_volume(cinder_client,
                                                 volume_id,
                                                 forced=True):
                    logger.debug("  > Done!")
                else:
                    logger.error("There has been a problem removing the "
                                 "volume %s..." % volume_id)
        else:
            logger.debug("   > this is a default volume and will "
                         "NOT be deleted.")


def remove_floatingips(nova_client):
    logger.info("Removing floating IPs...")
    floatingips = openstack_utils.get_floating_ips(nova_client)
    if floatingips is None or len(floatingips) == 0:
        logger.debug("No floating IPs found.")
        return

    init_len = len(floatingips)
    deleted = 0
    for fip in floatingips:
        fip_id = getattr(fip, 'id')
        fip_ip = getattr(fip, 'ip')
        logger.debug("'%s', ID=%s " % (fip_ip, fip_id))
        if fip_id not in default_floatingips:
            logger.debug("Removing floating IP %s ..." % fip_id)
            if openstack_utils.delete_floating_ip(nova_client, fip_id):
                logger.debug("  > Done!")
                deleted += 1
            else:
                logger.error("There has been a problem removing the "
                             "floating IP %s..." % fip_id)
        else:
            logger.debug("   > this is a default floating IP and will "
                         "NOT be deleted.")

    timeout = 50
    while timeout > 0:
        floatingips = openstack_utils.get_floating_ips(nova_client)
        if floatingips is None or len(floatingips) == (init_len - deleted):
            break
        else:
            logger.debug("Waiting for floating ips to be released...")
            timeout -= 1
            time.sleep(1)


def remove_networks(neutron_client):
    logger.info("Removing Neutron objects")
    network_ids = []
    networks = openstack_utils.get_network_list(neutron_client)
    if networks is None:
        logger.debug("There are no networks in the deployment. ")
    else:
        logger.debug("Existing networks:")
        for network in networks:
            net_id = network['id']
            net_name = network['name']
            logger.debug(" '%s', ID=%s " % (net_name, net_id))
            if net_id in default_networks:
                logger.debug("   > this is a default network and will "
                             "NOT be deleted.")
            elif network['router:external'] is True:
                logger.debug("   > this is an external network and will "
                             "NOT be deleted.")
            else:
                logger.debug("   > this network will be deleted.")
                network_ids.append(net_id)

    # delete ports
    ports = openstack_utils.get_port_list(neutron_client)
    if ports is None:
        logger.debug("There are no ports in the deployment. ")
    else:
        remove_ports(neutron_client, ports, network_ids)

    # remove routers
    routers = openstack_utils.get_router_list(neutron_client)
    if routers is None:
        logger.debug("There are no routers in the deployment. ")
    else:
        remove_routers(neutron_client, routers)

    # remove networks
    if network_ids is not None:
        for net_id in network_ids:
            logger.debug("Removing network %s ..." % net_id)
            if openstack_utils.delete_neutron_net(neutron_client, net_id):
                logger.debug("  > Done!")
            else:
                logger.error("There has been a problem removing the "
                             "network %s..." % net_id)


def remove_ports(neutron_client, ports, network_ids):
    for port in ports:
        if port['network_id'] in network_ids:
            port_id = port['id']
            try:
                subnet_id = port['fixed_ips'][0]['subnet_id']
            except:
                logger.info("  > WARNING: Port %s does not contain 'fixed_ips'"
                            % port_id)
                print port
            router_id = port['device_id']
            if len(port['fixed_ips']) == 0 and router_id == '':
                logger.debug("Removing port %s ..." % port_id)
                if (openstack_utils.delete_neutron_port(neutron_client,
                                                        port_id)):
                    logger.debug("  > Done!")
                else:
                    logger.error("There has been a problem removing the "
                                 "port %s ..." % port_id)
                    force_remove_port(neutron_client, port_id)

            elif port['device_owner'] == 'network:router_interface':
                logger.debug("Detaching port %s (subnet %s) from router %s ..."
                             % (port_id, subnet_id, router_id))
                if openstack_utils.\
                    remove_interface_router(neutron_client,
                                            router_id,
                                            subnet_id):
                    time.sleep(5)  # leave 5 seconds to detach
                    logger.debug("  > Done!")
                else:
                    logger.error("There has been a problem removing the "
                                 "interface %s from router %s..."
                                 % (subnet_id, router_id))
                    force_remove_port(neutron_client, port_id)
            else:
                force_remove_port(neutron_client, port_id)


def force_remove_port(neutron_client, port_id):
    logger.debug("Clearing device_owner for port %s ..." % port_id)
    openstack_utils.update_neutron_port(neutron_client,
                                        port_id,
                                        device_owner='clear')
    logger.debug("Removing port %s ..." % port_id)
    if openstack_utils.delete_neutron_port(neutron_client, port_id):
        logger.debug("  > Done!")
    else:
        logger.error("There has been a problem removing the port %s..."
                     % port_id)


def remove_routers(neutron_client, routers):
    for router in routers:
        router_id = router['id']
        router_name = router['name']
        if router_id not in default_routers:
            logger.debug("Checking '%s' with ID=(%s) ..." % (router_name,
                                                             router_id))
            if router['external_gateway_info'] is not None:
                logger.debug("Router has gateway to external network."
                             "Removing link...")
                if openstack_utils.remove_gateway_router(neutron_client,
                                                         router_id):
                    logger.debug("  > Done!")
                else:
                    logger.error("There has been a problem removing "
                                 "the gateway...")
            else:
                logger.debug("Router is not connected to anything."
                             "Ready to remove...")
            logger.debug("Removing router %s(%s) ..."
                         % (router_name, router_id))
            if openstack_utils.delete_neutron_router(neutron_client,
                                                     router_id):
                logger.debug("  > Done!")
            else:
                logger.error("There has been a problem removing the "
                             "router '%s'(%s)..." % (router_name, router_id))


def remove_security_groups(neutron_client):
    logger.info("Removing Security groups...")
    secgroups = openstack_utils.get_security_groups(neutron_client)
    if secgroups is None or len(secgroups) == 0:
        logger.debug("No security groups found.")
        return

    for secgroup in secgroups:
        secgroup_name = secgroup['name']
        secgroup_id = secgroup['id']
        logger.debug("'%s', ID=%s " % (secgroup_name, secgroup_id))
        if secgroup_id not in default_security_groups:
            logger.debug(" Removing '%s'..." % secgroup_name)
            if openstack_utils.delete_security_group(neutron_client,
                                                     secgroup_id):
                logger.debug("  > Done!")
            else:
                logger.error("There has been a problem removing the "
                             "security group %s..." % secgroup_id)
        else:
            logger.debug("   > this is a default security group and will NOT "
                         "be deleted.")


def remove_users(keystone_client):
    logger.info("Removing Users...")
    users = openstack_utils.get_users(keystone_client)
    if users is None:
        logger.debug("There are no users in the deployment. ")
        return

    for user in users:
        user_name = getattr(user, 'name')
        user_id = getattr(user, 'id')
        logger.debug("'%s', ID=%s " % (user_name, user_id))
        if user_id not in default_users:
            logger.debug(" Removing '%s'..." % user_name)
            if openstack_utils.delete_user(keystone_client, user_id):
                logger.debug("  > Done!")
            else:
                logger.error("There has been a problem removing the "
                             "user '%s'(%s)..." % (user_name, user_id))
        else:
            logger.debug("   > this is a default user and will "
                         "NOT be deleted.")


def remove_tenants(keystone_client):
    logger.info("Removing Tenants...")
    tenants = openstack_utils.get_tenants(keystone_client)
    if tenants is None:
        logger.debug("There are no tenants in the deployment. ")
        return

    for tenant in tenants:
        tenant_name = getattr(tenant, 'name')
        tenant_id = getattr(tenant, 'id')
        logger.debug("'%s', ID=%s " % (tenant_name, tenant_id))
        if tenant_id not in default_tenants:
            logger.debug(" Removing '%s'..." % tenant_name)
            if openstack_utils.delete_tenant(keystone_client, tenant_id):
                logger.debug("  > Done!")
            else:
                logger.error("There has been a problem removing the "
                             "tenant '%s'(%s)..." % (tenant_name, tenant_id))
        else:
            logger.debug("   > this is a default tenant and will "
                         "NOT be deleted.")


def main():
    creds_nova = openstack_utils.get_credentials("nova")
    nova_client = novaclient.Client('2', **creds_nova)

    creds_neutron = openstack_utils.get_credentials("neutron")
    neutron_client = neutronclient.Client(**creds_neutron)

    creds_keystone = openstack_utils.get_credentials("keystone")
    keystone_client = keystoneclient.Client(**creds_keystone)

    creds_cinder = openstack_utils.get_credentials("cinder")
    # cinder_client = cinderclient.Client(**creds_cinder)
    cinder_client = cinderclient.Client('1', creds_cinder['username'],
                                        creds_cinder['api_key'],
                                        creds_cinder['project_id'],
                                        creds_cinder['auth_url'],
                                        service_type="volume")

    if not openstack_utils.check_credentials():
        logger.error("Please source the openrc credentials and run "
                     "the script again.")
        exit(-1)

    remove_instances(nova_client)
    separator()
    remove_images(nova_client)
    separator()
    remove_volumes(cinder_client)
    separator()
    remove_floatingips(nova_client)
    separator()
    remove_networks(neutron_client)
    separator()
    remove_security_groups(neutron_client)
    separator()
    remove_users(keystone_client)
    separator()
    remove_tenants(keystone_client)
    separator()

    exit(0)


if __name__ == '__main__':
    main()